broomrape severity

Distribution of broomrape qom and blednocvetkovoj in crops of sunflower broomrape and related weeds in the Saratov region

The review of a condition of a problem in the last century is resulted. The distributions broomrape in the Saratov area for last 12 years on sunflower and weeds in sunflower crops was is studied. The dependence of widespread and intensity of severity broomrape from structure of areas under crops and expansion  of its racial and specific structure is shown.